diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index c01141f0d68181713455ab2f58017ec6e112f8b4..77e91acc14f852f9e55d72f13532ea68a26078c5 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -201,10 +201,10 @@ void dataColInit(SDataCol *pDataCol, STColumn *pCol, void **pBuf, int maxPoints)
 
   pDataCol->len = 0;
   if (pDataCol->type == TSDB_DATA_TYPE_BINARY || pDataCol->type == TSDB_DATA_TYPE_NCHAR) {
-    pDataCol->spaceSize = (sizeof(VarDataLenT) + pDataCol->bytes) * maxPoints;
     pDataCol->dataOff = (VarDataOffsetT *)(*pBuf);
-    pDataCol->pData = POINTER_SHIFT(*pBuf, TYPE_BYTES[pDataCol->type] * maxPoints);
-    *pBuf = POINTER_SHIFT(*pBuf, pDataCol->spaceSize + TYPE_BYTES[pDataCol->type] * maxPoints);
+    pDataCol->pData = POINTER_SHIFT(*pBuf, sizeof(VarDataOffsetT) * maxPoints);
+    pDataCol->spaceSize = pDataCol->bytes * maxPoints;
+    *pBuf = POINTER_SHIFT(*pBuf, pDataCol->spaceSize + sizeof(VarDataOffsetT) * maxPoints);
   } else {
     pDataCol->spaceSize = pDataCol->bytes * maxPoints;
     pDataCol->dataOff = NULL;
diff --git a/src/tsdb/src/tsdbMetaFile.c b/src/tsdb/src/tsdbMetaFile.c
index 19fcae94e367816d01aa3cb29dd2f05890c3769d..921db8674aff5dd4463c122e277adb76d09fe9b1 100644
--- a/src/tsdb/src/tsdbMetaFile.c
+++ b/src/tsdb/src/tsdbMetaFile.c
@@ -105,7 +105,7 @@ int32_t tsdbInsertMetaRecord(SMetaFile *mfh, uint64_t uid, void *cont, int32_t c
     return -1;
   }
 
-  fsync(mfh->fd);
+  // fsync(mfh->fd);
 
   mfh->tombSize++;
 
@@ -132,7 +132,7 @@ int32_t tsdbDeleteMetaRecord(SMetaFile *mfh, uint64_t uid) {
     return -1;
   }
 
-  fsync(mfh->fd);
+  // fsync(mfh->fd);
 
   mfh->nDel++;
 
@@ -167,7 +167,7 @@ int32_t tsdbUpdateMetaRecord(SMetaFile *mfh, uint64_t uid, void *cont, int32_t c
     return -1;
   }
 
-  fsync(mfh->fd);
+  // fsync(mfh->fd);
 
   return 0;
 }